Using Cal e-GGRT to Prepare Your Subpart P Report
Note: The Cal e-GGRT help system includes general instruction on using the California GHG reporting tool. However, the help system may not explain differences between California and U.S. EPA reporting requirements. Please refer to the ARB reporting website for California-specific reporting requirements and additional help.

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This page provides an overview of sub-topics that are central to Subpart P reporting:

The end of this page contains links you can use for more information on these topics

The image below displays the Subpart P Overview page

Composition Setup

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Summary Information for this Facility
Summary Information for this Facility

Summary Information for this Facility
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Subpart P requires you to report the following data about your facility:

  • The annual quantity of carbon, other than CO2, collected and transferred off site in either gas, liquid or solid form (in kg carbon)

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Process Unit Information
Process Unit Information

Process Unit Information
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The required process unit information and the manner by which required process unit information is entered into Cal e-GGRT is different for units that are monitored by a Continuous Emissions Monitoring System (CEMS) and units that are NOT monitored by a CEMS

As a result, separate help content has been created in this subpart for entering process unit information for units monitored by CEMS and units NOT monitored by CEMS

For each process unit that is NOT monitored by CEMS at your facility, the following process unit information is required:

  • A unique name or identifier for the unit, plus optional description for this unit
  • The quantity of hydrogen produced (in metric tons)
  • The quantity of ammonia produced (in metric tons)
  • The name and type (solid, liquid, or gaseous) of each fuel or feedstock used in the unit

For each process unit that is monitored by CEMS at your facility, the following process unit information is required:

  • A unique name or identifier for the unit, plus optional description for this unit
  • The quantity of hydrogen produced (in metric tons)
  • The quantity of ammonia produced (in metric tons)

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Emissions Information
Emissions Information

Emissions Information
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The required emissions information and the manner by which required emissions information is entered into Cal e-GGRT is different for units that are monitored by a Continuous Emissions Monitoring System (CEMS) and units that are NOT monitored by a CEMS

As a result, separate help content has been created in this subpart for entering emissions information for units monitored by CEMS and units NOT monitored by CEMS

For each process unit that is NOT monitored by CEMS at your facility, the following emissions information is required:

  • The total annual CO2 emissions from each hydrogen production process unit (in metric tons)
  • Substitute data information for each fuel or feedstock used in each process unit:
    • An indication if the monthly consumption is based on one or more substitute data values
    • An indication if the monthly carbon content is based on one or more substitute data values
    • An indication if the monthly molecular weight is based on one or more substitute data values (applies to gaseous feedstocks only)

For each CEMS Monitoring Location, provide the following information:

  • A unique unit name or identifier for the CML (see also About Unique Unit Names)
  • An optional description or label for the CML
  • The configuration of processes or process units that are monitored by the CML:
    • Single industrial process or process unit that exhausts to a dedicated stack
    • Multiple industrial processes or process units share a common stack
    • Industrial process or process unit shares a common stack with one or more stationary fuel combustion units
  • The name of each fuel combusted in the unit(s) monitored by the CEMS
  • The Tier 4/CEMS methodology start and end dates
  • The cumulative total of hourly CO2 mass emissions for each quarter of the reporting year (in metric tons) (Do not cumulate emissions data between quarters)
  • The total annual CO2 mass emissions measured by the CEMS (in metric tons)
  • An indication whether emissions reported for the CEMS include emissions calculated according to 98.33(a)(4)(viii) for a slipstream that bypassed the CEMS
  • The total annual biogenic CO2 emissions from the combustion of all biomass fuels combined (in metric tons) (if applicable)
  • The total annual non-biogenic CO2 emissions (includes fossil fuel, sorbent, and process CO2 emissions, in metric tons)
  • The total annual CH4 and N2O emissions associated with the combustion of all Table C-2 fuels combusted in all processes/process units monitored by the CEMS derived from application of Equation C-10 (in metric tons) (if there are no combustion emissions in this CML, please enter zero)
  • The total number of source operating hours in the reporting year
  • The total operating hours in which a substitute data value was used in the emissions calculations for the CO2 concentration parameter
  • The total operating hours in which a substitute data value was used in the emissions calculations for the stack gas flow rate parameter
  • If moisture correction is required and a continuous moisture monitor is used, the total operating hours in which a substitute data value was used in the emissions calculations for the stack gas moisture content parameter
  • An indication of the process units monitored by the CML

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Validation Report
Validation Report

Validation Report
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See Also

Screen Errors
Using Cal e-GGRT to Prepare Your Subpart P Report
Subpart P Summary Information for this Facility
Subpart P Process Unit Information for a Unit
Subpart P Emissions Information for Process Units NOT Monitored by CEMS
Subpart P Emissions Information for Process Units Monitored by CEMS
Subpart Validation Report

This web site is maintained by a contractor to the California Air Resources Board (RY2015.R.03)